JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
<title>Image Swap on Hover with CSS</title>
<style type="text/css">
    .card {
        width: 130px;
        height: 195px;
        position: relative;
        display: inline-block;
    }
    .card .img-top {
        display: none;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 99;
    }
    .card:hover .img-top {
        display: inline;
    }
</style>
</head>
<body>
    <div class="card">
        <img src="https://cloud.netlifyusercontent.com/assets/344dbf88-fdf9-42bb-adb4-46f01eedd629/242ce817-97a3-48fe-9acd-b1bf97930b01/09-posterization-opt.jpg" alt="Card Back">
        <img...

CSS

.card {
        width: 100px;
        height: 100px;
        /* background: url("images/card-back.jpg") no-repeat; */
        display: inline-block;
    }
    .card:hover {
        background: white;
    }